.Warren Buffett's Berkshire Hathaway is today a $1 mountain company The Washington PostThese Asian firms in Buffett's Berkshire Hathaway portfolio have actually climbed, with one skyrocketing 30% CNBCWall Road merely gave Warren Buffett a very early birthday celebration present: Berkshire Hathaway is actually now worth $1 trillion CNNHow Long it Took USA Business to Reach a $1 Trillion Appraisal Visual CapitalistBerkshire Hathaway tops $1 mountain market cap for very first time as Buffett speeds up BofA share sales Yahoo Money management.